The function get_default_hostname ()returns the hostname
declared in the config file (<host defaulthostname="...">) or
the default machine hostname.
In that case, absolute URL will use that hostname.

valget_default_port:unit -> int

The function get_default_port () returns the port number
declared in the config file (<host defaulthttpport="...">) or
80 if undeclared.

valget_default_sslport:unit -> int

The function get_default_sslport () returns the https port
number declared in the config file (<host
defaulthttpsport="...">) or 443 if undeclared.

valdefault_protocol_is_https:unit -> bool

The function default_protocol_is_https () returns true
if there is option (<host
defaultprotocol="https">)or false otherwise.
In that case, absolute links will use https protocol even if
the current request is http.

valget_config_default_charset:unit -> string

The function get_config_default_charset () returns the default
charset for this site.

valset_default_links_xhr:?override_configfile:bool -> bool -> unit

The provided value serves as a default value for the optional parameter
~xhr in the functions Eliom_registration.*.{a, get_form, post_form,
lwt_get_form, lwt_post_form} (cf. Eliom_registration.Html.a et al.).
This value can also be set in the
config file.

valget_config:unit ->Simplexmlparser.xml list

The function get_config () returns the information of the
configuration file concerning that site (between <eliommodule> and
</eliommodule> or <eliom> and </eliom>).

The function get_config_info () returns the information
concerning the current request from the configuration files
(must be called during a request).
The configuration may have been modified by previous Ocsigen server
extensions.

valget_debugmode:unit -> bool

Same as Ocsigen_config.get_debugmode.
On client side, returns false for now.